World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
106
Citations
37975
World Ranking
961
National Ranking
386

P. B. Armentrout publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where P. B. Armentrout sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 604 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

P. B. Armentrout D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where P. B. Armentrout sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 106 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 1994 - Fellow of American Physical Society (APS) Citation For ion beam studies of molecular dynamics, chemical kinetics and thermochemistry of gas phase reactions, especially those involving transition metal atomic ions and clusters
  • 1992 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1986 - Fellow of Alfred P. Sloan Foundation

Overview

P. B. Armentrout is a researcher primarily affiliated with the University of Utah in the United States. Their work spans several interconnected fields, notably chemistry and physics, with significant contributions to spectroscopy, atomic and molecular physics, materials chemistry, catalysis, and inorganic chemistry.

Their research topics cover diverse areas including advanced chemical physics studies, mass spectrometry techniques and applications, radioactive element chemistry and processing, catalysis and oxidation reactions, catalytic processes in materials science, as well as analytical chemistry methods development and chromatography.

Among their recent publications are the following notable papers:

  • Guided Ion Beam and Quantum Chemical Investigation of the Thermochemistry of Thorium Dioxide Cations: Thermodynamic Evidence for Participation of f Orbitals in Bonding (2020, Inorganic Chemistry)
  • Periodic trends in gas-phase oxidation and hydrogenation reactions of lanthanides and 5d transition metal cations (2021, Mass Spectrometry Reviews)
  • Disassembly Mechanisms and Energetics of Polymetallic Rings and Rotaxanes (2022, Journal of the American Chemical Society)
  • Relative Energetics of the Gas Phase Protomers of p-Aminobenzoic Acid and the Effect of Protonation Site on Fragmentation (2021, The Journal of Physical Chemistry A)
  • Adduct Ions as Diagnostic Probes of Metallosupramolecular Complexes Using Ion Mobility Mass Spectrometry (2023, Inorganic Chemistry)

P. B. Armentrout frequently collaborates with several co-authors, including Brandon C. Stevenson, Giel Berden, Jos Oomens, Jonathan Martens, and Georgia C. Boles, indicating a broad collaborative network in their research endeavors.

Their work is regularly published in leading scientific venues such as:

  • The Journal of Physical Chemistry A
  • The Journal of Chemical Physics
  • Physical Chemistry Chemical Physics
  • International Journal of Mass Spectrometry
  • Journal of the American Society for Mass Spectrometry

Throughout their career, P. B. Armentrout has received recognition including fellowships from prominent organizations: they were named Fellow of the American Physical Society in 1994 with a citation highlighting ion beam studies related to molecular dynamics, chemical kinetics, and thermochemistry involving transition metal atomic ions and clusters. They also hold fellowships from the American Association for the Advancement of Science (1992) and the Alfred P. Sloan Foundation (1986).

Best Publications

  • Translational energy dependence of Ar++XY→ArX++Y (XY=H2,D2,HD) from thermal to 30 eV c.m.

    Kent M. Ervin;P. B. Armentrout

  • Statistical modeling of collision-induced dissociation thresholds

    M. T. Rodgers;Kent M. Ervin;P. B. Armentrout

  • Solvation of Transition Metal Ions by Water. Sequential Binding Energies of M+(H2O)x (x = 1-4) for M = Ti to Cu Determined by Collision-Induced Dissociation

    N. F. Dalleska;Kenji Honma;L. S. Sunderlin;L. S. Sunderlin;P. B. Armentrout

  • Sequential bond energies of Fe(CO)x + (x = 1-5): Systematic effects on collision-induced dissociation measurements

    Richard H. Schultz;Kevin C. Crellin;P. B. Armentrout

  • Noncovalent metal–ligand bond energies as studied by threshold collision‐induced dissociation

    M. T. Rodgers;P. B. Armentrout

  • The chemistry of atomic transition-metal ions: insight into fundamental aspects of organometallic chemistry

    P. B. Armentrout;J. L. Beauchamp

  • Carbon and oxygen isotope fractionation in dense interstellar clouds

    W. D. Langer;T. E. Graedel;M. A. Frerking;P. B. Armentrout

  • Thermochemistry of Transition Metal Benzene Complexes: Binding Energies of M(C6H6)x+ (x = 1, 2) for M = Ti to Cu

    Franc Meyer;Franc Meyer;Farooq A. Khan;Farooq A. Khan;P. B. Armentrout

  • Guided ion beam study of collision-induced dissociation dynamics: integral and differential cross sections

    Felician Muntean;P. B. Armentrout

  • Electronic State-Specific Transition Metal ION Chemistry

    P B Armentrout

  • Activation of hydrogen and methane by thermalized FeO+ in the gas phase as studied by multiple mass spectrometric techniques

    Detlef Schröder;Helmut Schwarz;David E. Clemmer;Yumin Chen

  • Collision‐induced dissociation of Fe+n (n=2–10) with Xe: Ionic and neutral iron binding energies

    S. K. Loh;David A. Hales;Li Lian;P. B. Armentrout

  • Chemistry of Excited Electronic States

    P. B. Armentrout

  • Sequential bond energies of chromium carbonyls (Cr(CO)x+, x = 1-6)

    Farooq A. Khan;D. E. Clemmer;Richard H. Schultz;P. B. Armentrout

  • An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory

    P. B. Armentrout;M. T. Rodgers

  • Stepwise solvation enthalpies of protonated water clusters: collision-induced dissociation as an alternative to equilibrium studies

    N. F. Dalleska;Kenji Honma;Kenji Honma;P. B. Armentrout

  • Reaction mechanisms and thermochemistry of vanadium ions with ethane, ethene and ethyne

    N. Aristov;Peter B. Armentrout

  • Reactions of N+4 with rare gases from thermal to 10eV center-of-mass energy: collision-induced dissociation, charge transfer and ligand exchange

    Richard H. Schultz;P.B. Armentrout

  • Statistical modeling of competitive threshold collision-induced dissociation

    M. T. Rodgers;P. B. Armentrout

  • Periodic trends in transition metal-hydrogen, metal-carbon, and metal-oxygen bond dissociation energies. Correlation with reactivity and electronic structure

    P. B. Armentrout;P. B. Armentrout;L. F. Halle;J. L. Beauchamp

Frequent Co-Authors

M. T. Rodgers
M. T. Rodgers Wayne State University
Jos Oomens
Jos Oomens Radboud University
Ellen R. Fisher
Ellen R. Fisher Colorado State University
Jesse L. Beauchamp
Jesse L. Beauchamp California Institute of Technology
David E. Clemmer
David E. Clemmer Indiana University
Helmut Schwarz
Helmut Schwarz Technical University of Berlin
Giel Berden
Giel Berden Radboud University
Detlef Schröder
Detlef Schröder Czech Academy of Sciences
Michael T. Bowers
Michael T. Bowers University of California, Santa Barbara
Philippe Maître
Philippe Maître University of Paris-Saclay

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